Dr. Anthony Fauci, America's top infectious disease official, says we are at a stalemate in the war against Covid-19. New coronavirus cases in the United Kingdom just hit a record high as the Omicron variant spreads. And U.S. deaths from the virus have surpassed 800,000, even as vaccines become more widely available. We speak with Dr. Fauci about the war against coronavirus and whether we can ever win it.